Sheet gripper



H. W. SHERFY- SHEET GRIPPER v Filed May 27. 1924 June 16, 1925.

Tvazzwkom tmay concern! Patented June I16, 192,5.

y t 1,542,734 BATENTUFFICE? I n Sr'IEE'r GRIPPER.

""applieatiqnf med Maya?,

A further lobject of the invention is to` provide a sheet gripper ofthis character wherein thev engaging means may be readily adjusted toany desired position. n

lA still further object of the invention is the provision of a sheetgripper which may be quickly and accurately adjusted by means of asingle rotatable member. n

Other objects land advantages of this invention will be apparent duringthe course of the following description. Y I Y In the accompanyingdrawing forming a part of this specification and in 'which like numeralsare employed to designate like parts throughout thek same:

Figure 1 is a plan view of my improved device, t n Figure 2 isa sideelevation of the same,

Figure 3 is a longitudinal sectional view taken on the line 3-3 ofFigure 1,

FigureA 4 is an enlarged sectional view taken on the line 4-4 of Figure1, and Y Figure 5 is a similar view taken on the line 5-5 of Figure l.

In the drawing, wherein for the purpose ofillustration is shown thepreferred embodiment of my invention, the numeral 10 indicates ametallic stripwhich connects my device to a printing machineor the like.It consists of a comparatively long flat strip 11l having acomparatively short extension 12 formed on one extremity, the extensionbeing reduced to suitably engage a retaining c clamp 13.

The retaining clamp -13 is provided with a longitudinal groovetherethrough the upper portion being adapted'to receive the connectf ingstrip 10 while theintermediate portion of the groove which is somewhatwider receives a fork bracket. 14. The lower eX- tremity of theygrooveiormed in the clamp 13 kis tapered and adapted to receive a suit-1924.Y serial No. 716,150.

ably formed-'extension'ofra tongue 15. ,l The upper'k centralv portionzofthe clamp is provided" with lan internally threaded bore 16 adaptedto receive a threaded set screw 17 threadedly mounted therein to retainthe sections together.

."The"tongue 15 has. a reduced extremity andibeveledupon its upper side,the-sup#v portingstr1p`il8,upon which the tongue 15 i'sfformed', issubstantially vthe :same width Y asthe' connecting strip 10, the clampengaging portion having suitably tapering sides to engage the clamp.`rlhe fork bracket 14 is preferably constructed of spring metal and isbent to form an arc having formed on the extremity a flat extension 14for connection with the bracket.r The'other extremitv of the forkbracket 14 carries a pair of arcuv ate fork members 19 having a slot 20formed therebetween. The slot 20 is preferably somewhat wider than thetongue 15 positioned thereunder for a purpose which will be Vhereinafterdescribed. An externally threaded bolt 21 is securely mounted within thetongue supporting` strip 18 and extends upwardly therefromthrough asuitable opening formed in the fork bracket 14, the upper extremity ofthe bolt receiving a washer 22 and a knurled cap 23 threadedly mountedupon the bolt and adapted to adjust the fork 24 the connecting strip 10may be of any suitable length depending upon the characl ter of the workand the machine upon which the device is mounted. It is consideredadvisable to provide numerous lengthsA of connecting strips which may bereadily connected to the clamp 12 without affecting the other parts ofthe device.

In use, the device is especially adapted for use on printing machines,and more particularly to a machinev known as a Miller feeder wherein itserves as the sheet gripping fork. The gripper is employed for thepurpose of feeding sheets of paper or cardboard upon the machine, thesheets becoming superimposed upon the tongue 15 and securely heldthereon by the fork 19 the prongs of the fork being adjusted by rotationof the cap 23. Itis obvious that even adjustment of lthe fork, that is,the side prongs comprising the same, are obtained by adjustment of theknurled cap` 23 and the device adapted to suitably handle paper'orcardboard of any invention herewith shownand described is to be teken asthe preferred ezgarnple of the same, and that various ohanges'as to theshape, size and arrangement of parts niyb'e resorted to Without'l-deia'rting freni Athe spirit of the invention or the scope 4of thesubjoined claims. Having thus described lmy invention, claim: a rl;Asheet. gripper Qomprsng @istrip pro,- vded-z etv mie. end with iaislamp, .atsesilent forli brac-liet difspQsedvVg-elong ,the ,Strip ,aridhavingbneend .portion secured in the ela-1111;),

' the` branches-ot the `fork bracket .bellglds 5 posed beyond theopposite sidetedgves yogtfthe strip: and a` set f screw 1 secured tothe; strip at thefmedian longitudinal dimension theref and passingtransversely throngh thetstern .poi-.tion ofthe .forli bracketand. aniltihread ed tipnn thescrevv mid bearingagainst:the

Stem portion ef the forkbmcket et @pnt in Vthe medignlongitudinaldimension thereof and'daqpted to move/'the Vinner edges of 'theb'rnchesof the fork bracket transversely with relation ltothe side edges of thestrip.

2. A sheet gripper comprising a strip provided Iat one end with a clamp,a fork bracket vseciued stone end to the clamp and ".sisnarieze iii 'thepresen@ if fille *Wi-meiske,"

@mow -WJSHERFY

